Originally Posted by ScotSeats
I have always been let to believe that you cannot run water through the inlet port without the engine running and that you are ment to start the engine before turning the hose on.
IMHO that is all wrong!
The thermostat will close below a certain temperature, so it won't clear out the whole engine, but you can run the hose before starting the engine - the water will leave the engine the same way as if it was pumped round.
If you start the engine without the water on the impeller's life will be shortened by the extra friction - of that I am quite sure.
Just out of interest where did you get this information from? Any manual for an outboard I have ever seen says the opposite!